adverb (r)

• now and then or here and there

  sekarang dan kemudian atau disini dan disana

  Example:
  He was arrogant and occasionally callous.
  Open areas are only occasionally interrupted by clumps of trees.
  

  Synonym:
  at times, from time to time, now and again, now and then, on occasion, once in a while
  

  source: wordnet30
• In an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly.

  dalam cara sesekali; pada kesempatan; pada waktu itu, sebagai kemudahan memerlukan atau menawarkan kesempatan; tidak teratur.

  source: webster1913